RE: DVGRAB/XDVPLAY testing

[Mark W. K. <mar...@ho...>]

Arne,
   I'll build you the files when I get to work.

1) Shall I e-mail them to you or ftp them somewhere? Give me an address and
password if I need it.

2) The samples directory should designate PAL vs. NTSC. Maybe other
identifiers also when we learn more.

3) QuickTime does exist for Windows platforms also, although I think that
testing for Mac compatibility is a great idea. They certainly are the
standard in this stuff if you believe their TV ads.

4) Longer clips have their place also, but for now I agree, basic
compatibility should be fine with short ones.

Mark

-----Original Message-----
From: lin...@li...
[mailto:lin...@li...]On Behalf Of Arne
Schirmacher
Sent: Thursday, June 01, 2000 2:01 AM
To: 'Mark Knecht'; 'Linux1394 Developer's Reflector (E-mail)'
Subject: RE: DVGRAB/XDVPLAY testing


Gread idea. I have just uploaded 4 different AVI scenes:

http://www.schirmacher.de/arne/samples/

in dvgrab: one Type-1 and one Type-2 AVI files, PAL, 25 fps, 25 frames (1
second)

The command line was dvgrab --format dv1 --frames 25 type1_ resp. dvgrab
--format dv2 --frames 25 type2_

in ulead: one Type-1 and one Type-2 AVI files, PAL, 25 fps, 25 frames (1
second)
I created these files with ULead 3.0 completely on the Windows98 box,
including
grabbing the raw source material. No dvgrab was involved. The two files show
the same scene.

I would consider the ULead generated AVIs as "the reference" (I don't have
any
other commercial grade DV Editing program, though I would like to use some
of
the real expensive programs to create my reference files).

I can host about 250 MByte of test data, that's my limit for the website.
Should be sufficient. I doubt however that testing a huge file would give
any
more information than testing a short one.

Could you create a NTSC version of such test files? 2 files created by
dvgrab
(30 frames for NTSC) and 2 files created by some Windows Application.


Regarding you new compatibility list:

1. Windows 98 plays both Type-1 and Type-2 NTSC AVIs generated by dvgrab.
Great. The speed is correct too?

2. Windows NT fails with Type-1 NTSC AVIs, Type-2 NTSC AVIS play at half
speed.
I would like to try your AVIs here on my NT system.

3. RealPlayer Windows and Linux: The Linux version certainly doesn't have
the
right codec. I could not get RealPlayer to display my ULead AVIs too. So
maybe
this is not a dvgrab problem.

4. Quicktime: I need to reactivate my old PowerMac 7500 again...

Arne

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